Remember, a fluid, like water, has no fixed shape and easily gives way to external pressure. More simply, it is a matter that flows like a gas or liquid. Since the atmosphere is a fluid, we can show ...

A number of hypotheses have been used to explain how free oxygen first accumulated in Earth’s atmosphere some 2.4 billion years ago, but a full understanding has proven elusive. Now a new model offers ...

Daily travel plans and early warnings for extreme weather all rely on traditional numerical weather prediction. However, both ...

Sea spray aerosols, which form when ocean waves fling particles into the atmosphere, can impact our climate in a variety of ways. But their small size and chemical complexity make them hard to study ...

A data visualization showing a map of the Earth with the northern half obscured by purple shading. The southern continents including the tip of Africa, Australia, South America, and Antarctica appear ...